Table 10 Inter-rater agreement between first and second observer in SnF group and SA group pre- and post-therapy
Group A (SnF group) | Group B (SA group) | |||
|---|---|---|---|---|
Kappa | 95% CI | Kappa | 95% CI | |
Pre-therapy | ||||
A. Grade of dysphonia | 1.000 | 1.000 to 1.000 | 1.000 | 1.000 to 1.000 |
B. Voice quality | 1.000 | 1.000 to 1.000 | 1.000 | 1.000 to 1.000 |
C. Voice pitch | 0.952 | 0.859 to 1.000 | 1.000 | 1.000 to 1.000 |
D. Voice loudness | 0.634 | 0.178 to 1.000 | 0.870 | 0.620 to 1.000 |
Post-therapy | ||||
A. Grade of dysphonia | 0.800 | 0.625 to 0.975 | 0.647 | 0.378 to 0.916 |
B. Voice quality | 0.896 | 0.688 to 1.000 | 0.793 | 0.522 to 1.000 |
C. Voice pitch | 0.844 | 0.553 to 1.000 | 0.839 | 0.532 to 1.000 |
D. Voice loudness | 1.000 | 1.000 to 1.000 | 1.000 | 1.000 to 1.000 |